Segment Information - Summary of Segment Assets Reconciled to Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total assets	$ 1,911,381	$ 1,811,316
Consolidation, Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	(316,912)	(136,375)
HCPCI Insurance Operations [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	1,021,739	933,116
TypTap Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	665,767	623,366
Reciprocal Exchange Operation [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	79,756	25,000
Real Estate Operations [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	136,895	132,257
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	$ 324,136	$ 233,952